1.Find the trap door, usually located on the top of the magazine near the loading nozzle.2.Open trap door and fill reservoir with high quality BBs.3.Wind the wheel at the back of the magazine (notice the pitch and volume of the click).4.Continue to wind wheel until pitch changes. Once the click gets louder, or begins to double click, the magazine is fully wound.5.Insert magazine into gun and fire. You may need to rewind the wheel during play.